Face type seal assembly
CA 1320229 C · Owner: The Gorman-Rupp Company · Inventors: Wolford, Dale E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A seal cartridge for providing a fluid seal between a rotating shaft and a housing such as found in a centrifugal pump. The seal cartridge includes rotating and non-rotating seal portions which prior to installation are maintained in alignment and carried by a tubular or sleeve-like support member so that the cartridge forms a unitary assembly. The non-rotating seal portion includes a seal ring seat that is connected to the support sleeve by a frangible element. During an installation process, after the seal ring seat reaches its installed position, the frangible element fractures and releases the non-rotating portion of seal from the support member thus enabling the rotating portion of the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.